The marginalfault-depression was transformed into a large basin, most of which were drowned by lake water in Pliocene.
早期由边缘断陷转化为大型断陷盆地,至上新世湖水淹没了大部地区;
2
By means of 1/50000 negional surveying, it has been established that Zongbieli marginalfault control of thebasin sedimentation and the distribution range of Jurassic System.